Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5139011 | Unvented gas-fired heater | — | 1992-08-18 |
| 5054468 | Unvented gas-fired fireplace heater | Paul N. Hand | 1991-10-08 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5139011 | Unvented gas-fired heater | — | 1992-08-18 |
| 5054468 | Unvented gas-fired fireplace heater | Paul N. Hand | 1991-10-08 |